Question

Which of the following two sets of regression lines are the true representative of the information from the bivariate population

I. $x + 4y = 15$ and $y + 3x = 12,\bar{x} = 3,\bar{y} = 3$

II. $3x + 4y = 9$ and$4x + y = 1,\bar{x} = - \frac{5}{10},\bar{y} = \frac{30}{13}$

• A. Both I and II
• B. II only
• C. I only
• D. None of these

Answer 1

Answer: (C)

I only

Answer 2

In the second set of regression lines, the values of $\bar{x}$ and $\bar{y}$ doesn't satisfy the regression lines.